Summary
Helder Da Rocha is an independent software architect, author and translator with 13+ years of professional experience and a long track record teaching and consulting in Java, JavaScript, web technologies and data visualization. He runs a small firm providing training, mentoring, consulting and development services—frequently focused on D3.js and SVG-based visualizations—and publishes books and online courses in both Portuguese and English. A former Sun Java instructor and longtime software mentor, he blends deep hands-on engineering (Java, Web, XML) with practical pedagogy and curriculum writing, often ghostwriting for training providers. In parallel he provides professional translation and localization (EN/RU ↔ PT_BR) for software, games and documentation, and pursues creative side projects from papercraft and CNC puzzle design to paleoart. He prefers project-based contracts to sustain a mix of client work, writing and research, and is preparing a second edition of his D3 book for late 2025.
13 years of coding experience
Master's degree, Computer Science, Master's degree, Computer Science at Universidade Federal de Campina Grande
Portuguese, English, Russian, Spanish, Italian, French